[deb_xorg-server.git] / hw / dmx / glxProxy / compsize.c

/*
 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice including the dates of first publication and
 * either this permission notice or a reference to
 * http://oss.sgi.com/projects/FreeB/
 * shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * Except as contained in this notice, the name of Silicon Graphics, Inc.
 * shall not be used in advertising or otherwise to promote the sale, use or
 * other dealings in this Software without prior written authorization from
 * Silicon Graphics, Inc.
 */

#include <GL/gl.h>
#include "compsize.h"

GLint
__glFogiv_size(GLenum pname)
{
    switch (pname) {
    case GL_FOG_COLOR:
        return 4;
    case GL_FOG_DENSITY:
        return 1;
    case GL_FOG_END:
        return 1;
    case GL_FOG_MODE:
        return 1;
    case GL_FOG_INDEX:
        return 1;
    case GL_FOG_START:
        return 1;
    default:
        return 0;
    }
}

GLint
__glFogfv_size(GLenum pname)
{
    return __glFogiv_size(pname);
}

GLint
__glCallLists_size(GLsizei n, GLenum type)
{
    GLint size;

    if (n < 0)
        return 0;
    switch (type) {
    case GL_BYTE:
        size = 1;
        break;
    case GL_UNSIGNED_BYTE:
        size = 1;
        break;
    case GL_SHORT:
        size = 2;
        break;
    case GL_UNSIGNED_SHORT:
        size = 2;
        break;
    case GL_INT:
        size = 4;
        break;
    case GL_UNSIGNED_INT:
        size = 4;
        break;
    case GL_FLOAT:
        size = 4;
        break;
    case GL_2_BYTES:
        size = 2;
        break;
    case GL_3_BYTES:
        size = 3;
        break;
    case GL_4_BYTES:
        size = 4;
        break;
    default:
        return 0;
    }
    return n * size;
}

GLint
__glDrawPixels_size(GLenum format, GLenum type, GLsizei w, GLsizei h)
{
    GLint elements, esize;

    switch (format) {
    case GL_COLOR_INDEX:
    case GL_STENCIL_INDEX:
    case GL_DEPTH_COMPONENT:
        elements = 1;
        break;
    case GL_RED:
    case GL_GREEN:
    case GL_BLUE:
    case GL_ALPHA:
    case GL_LUMINANCE:
        elements = 1;
        break;
    case GL_LUMINANCE_ALPHA:
        elements = 2;
        break;
    case GL_RGB:
        elements = 3;
        break;
    case GL_RGBA:
    case GL_ABGR_EXT:
        elements = 4;
        break;
    default:
        return 0;
    }
    switch (type) {
    case GL_BITMAP:
        if (format == GL_COLOR_INDEX || format == GL_STENCIL_INDEX) {
            return (h * ((w + 7) / 8));
        }
        else {
            return 0;
        }
    case GL_BYTE:
    case GL_UNSIGNED_BYTE:
        esize = 1;
        break;
    case GL_UNSIGNED_BYTE_3_3_2:
    case GL_UNSIGNED_BYTE_2_3_3_REV:
        esize = 1;
        elements = 1;
        break;
    case GL_SHORT:
    case GL_UNSIGNED_SHORT:
        esize = 2;
        break;
    case GL_UNSIGNED_SHORT_5_6_5:
    case GL_UNSIGNED_SHORT_5_6_5_REV:
    case GL_UNSIGNED_SHORT_4_4_4_4:
    case GL_UNSIGNED_SHORT_4_4_4_4_REV:
    case GL_UNSIGNED_SHORT_5_5_5_1:
    case GL_UNSIGNED_SHORT_1_5_5_5_REV:
        esize = 2;
        elements = 1;
        break;
    case GL_INT:
    case GL_UNSIGNED_INT:
    case GL_FLOAT:
        esize = 4;
        break;
    case GL_UNSIGNED_INT_8_8_8_8:
    case GL_UNSIGNED_INT_8_8_8_8_REV:
    case GL_UNSIGNED_INT_10_10_10_2:
    case GL_UNSIGNED_INT_2_10_10_10_REV:
        esize = 4;
        elements = 1;
        break;
    default:
        return 0;
    }
    return elements * esize * w * h;
}

GLint
__glBitmap_size(GLsizei w, GLsizei h)
{
    return __glDrawPixels_size(GL_COLOR_INDEX, GL_BITMAP, w, h);
}

GLint
__glTexGendv_size(GLenum e)
{
    switch (e) {
    case GL_TEXTURE_GEN_MODE:
        return 1;
    case GL_OBJECT_PLANE:
    case GL_EYE_PLANE:
        return 4;
    default:
        return 0;
    }
}

GLint
__glTexGenfv_size(GLenum e)
{
    return __glTexGendv_size(e);
}

GLint
__glTexGeniv_size(GLenum e)
{
    return __glTexGendv_size(e);
}

GLint
__glTexParameterfv_size(GLenum e)
{
    switch (e) {
    case GL_TEXTURE_WRAP_S:
    case GL_TEXTURE_WRAP_T:
    case GL_TEXTURE_WRAP_R:
    case GL_TEXTURE_MIN_FILTER:
    case GL_TEXTURE_MAG_FILTER:
        return 1;
    case GL_TEXTURE_BORDER_COLOR:
        return 4;
    case GL_TEXTURE_PRIORITY:
        return 1;
    case GL_TEXTURE_MIN_LOD:
    case GL_TEXTURE_MAX_LOD:
    case GL_TEXTURE_BASE_LEVEL:
    case GL_TEXTURE_MAX_LEVEL:
        return 1;
    default:
        return 0;
    }
}

GLint
__glTexParameteriv_size(GLenum e)
{
    return __glTexParameterfv_size(e);
}

GLint
__glTexEnvfv_size(GLenum e)
{
    switch (e) {
    case GL_TEXTURE_ENV_MODE:
        return 1;
    case GL_TEXTURE_ENV_COLOR:
        return 4;
    default:
        return 0;
    }
}

GLint
__glTexEnviv_size(GLenum e)
{
    return __glTexEnvfv_size(e);
}

GLint
__glTexImage1D_size(GLenum format, GLenum type, GLsizei w)
{
    GLint elements, esize;

    if (w < 0)
        return 0;
    switch (format) {
    case GL_COLOR_INDEX:
        elements = 1;
        break;
    case GL_RED:
    case GL_GREEN:
    case GL_BLUE:
    case GL_ALPHA:
    case GL_LUMINANCE:
        elements = 1;
        break;
    case GL_LUMINANCE_ALPHA:
        elements = 2;
        break;
    case GL_RGB:
        elements = 3;
        break;
    case GL_RGBA:
    case GL_ABGR_EXT:
        elements = 4;
        break;
    default:
        return 0;
    }
    switch (type) {
    case GL_BITMAP:
        if (format == GL_COLOR_INDEX) {
            return (w + 7) / 8;
        }
        else {
            return 0;
        }
    case GL_BYTE:
    case GL_UNSIGNED_BYTE:
        esize = 1;
        break;
    case GL_UNSIGNED_BYTE_3_3_2:
    case GL_UNSIGNED_BYTE_2_3_3_REV:
        esize = 1;
        elements = 1;
        break;
    case GL_SHORT:
    case GL_UNSIGNED_SHORT:
        esize = 2;
        break;
    case GL_UNSIGNED_SHORT_5_6_5:
    case GL_UNSIGNED_SHORT_5_6_5_REV:
    case GL_UNSIGNED_SHORT_4_4_4_4:
    case GL_UNSIGNED_SHORT_4_4_4_4_REV:
    case GL_UNSIGNED_SHORT_5_5_5_1:
    case GL_UNSIGNED_SHORT_1_5_5_5_REV:
        esize = 2;
        elements = 1;
        break;
    case GL_INT:
    case GL_UNSIGNED_INT:
    case GL_FLOAT:
        esize = 4;
        break;
    case GL_UNSIGNED_INT_8_8_8_8:
    case GL_UNSIGNED_INT_8_8_8_8_REV:
    case GL_UNSIGNED_INT_10_10_10_2:
    case GL_UNSIGNED_INT_2_10_10_10_REV:
        esize = 4;
        elements = 1;
        break;
    default:
        return 0;
    }
    return elements * esize * w;
}

GLint
__glTexImage2D_size(GLenum format, GLenum type, GLsizei w, GLsizei h)
{
    GLint elements, esize;

    if (w < 0)
        return 0;
    if (h < 0)
        return 0;
    switch (format) {
    case GL_COLOR_INDEX:
        elements = 1;
        break;
    case GL_RED:
    case GL_GREEN:
    case GL_BLUE:
    case GL_ALPHA:
    case GL_LUMINANCE:
        elements = 1;
        break;
    case GL_LUMINANCE_ALPHA:
        elements = 2;
        break;
    case GL_RGB:
        elements = 3;
        break;
    case GL_RGBA:
    case GL_ABGR_EXT:
        elements = 4;
        break;
    default:
        return 0;
    }
    switch (type) {
    case GL_BITMAP:
        if (format == GL_COLOR_INDEX) {
            return (h * ((w + 7) / 8));
        }
        else {
            return 0;
        }
    case GL_BYTE:
    case GL_UNSIGNED_BYTE:
        esize = 1;
        break;
    case GL_UNSIGNED_BYTE_3_3_2:
    case GL_UNSIGNED_BYTE_2_3_3_REV:
        esize = 1;
        elements = 1;
        break;
    case GL_SHORT:
    case GL_UNSIGNED_SHORT:
        esize = 2;
        break;
    case GL_UNSIGNED_SHORT_5_6_5:
    case GL_UNSIGNED_SHORT_5_6_5_REV:
    case GL_UNSIGNED_SHORT_4_4_4_4:
    case GL_UNSIGNED_SHORT_4_4_4_4_REV:
    case GL_UNSIGNED_SHORT_5_5_5_1:
    case GL_UNSIGNED_SHORT_1_5_5_5_REV:
        esize = 2;
        elements = 1;
        break;
    case GL_INT:
    case GL_UNSIGNED_INT:
    case GL_FLOAT:
        esize = 4;
        break;
    case GL_UNSIGNED_INT_8_8_8_8:
    case GL_UNSIGNED_INT_8_8_8_8_REV:
    case GL_UNSIGNED_INT_10_10_10_2:
    case GL_UNSIGNED_INT_2_10_10_10_REV:
        esize = 4;
        elements = 1;
        break;
    default:
        return 0;
    }
    return elements * esize * w * h;
}

GLint
__glTexImage3D_size(GLenum format, GLenum type, GLsizei w, GLsizei h, GLsizei d)
{
    GLint elements, esize;

    if (w < 0)
        return 0;
    if (h < 0)
        return 0;
    if (d < 0)
        return 0;
    switch (format) {
    case GL_COLOR_INDEX:
        elements = 1;
        break;
    case GL_RED:
    case GL_GREEN:
    case GL_BLUE:
    case GL_ALPHA:
    case GL_LUMINANCE:
        elements = 1;
        break;
    case GL_LUMINANCE_ALPHA:
        elements = 2;
        break;
    case GL_RGB:
        elements = 3;
        break;
    case GL_RGBA:
    case GL_ABGR_EXT:
        elements = 4;
        break;
    default:
        return 0;
    }
    switch (type) {
    case GL_BITMAP:
        if (format == GL_COLOR_INDEX) {
            return (d * (h * ((w + 7) / 8)));
        }
        else {
            return 0;
        }
    case GL_BYTE:
    case GL_UNSIGNED_BYTE:
        esize = 1;
        break;
    case GL_UNSIGNED_BYTE_3_3_2:
    case GL_UNSIGNED_BYTE_2_3_3_REV:
        esize = 1;
        elements = 1;
        break;
    case GL_SHORT:
    case GL_UNSIGNED_SHORT:
        esize = 2;
        break;
    case GL_UNSIGNED_SHORT_5_6_5:
    case GL_UNSIGNED_SHORT_5_6_5_REV:
    case GL_UNSIGNED_SHORT_4_4_4_4:
    case GL_UNSIGNED_SHORT_4_4_4_4_REV:
    case GL_UNSIGNED_SHORT_5_5_5_1:
    case GL_UNSIGNED_SHORT_1_5_5_5_REV:
        esize = 2;
        elements = 1;
        break;
    case GL_INT:
    case GL_UNSIGNED_INT:
    case GL_FLOAT:
        esize = 4;
        break;
    case GL_UNSIGNED_INT_8_8_8_8:
    case GL_UNSIGNED_INT_8_8_8_8_REV:
    case GL_UNSIGNED_INT_10_10_10_2:
    case GL_UNSIGNED_INT_2_10_10_10_REV:
        esize = 4;
        elements = 1;
        break;
    default:
        return 0;
    }
    return elements * esize * w * h * d;
}

GLint
__glLightfv_size(GLenum pname)
{
    switch (pname) {
    case GL_SPOT_EXPONENT:
        return 1;
    case GL_SPOT_CUTOFF:
        return 1;
    case GL_AMBIENT:
        return 4;
    case GL_DIFFUSE:
        return 4;
    case GL_SPECULAR:
        return 4;
    case GL_POSITION:
        return 4;
    case GL_SPOT_DIRECTION:
        return 3;
    case GL_CONSTANT_ATTENUATION:
        return 1;
    case GL_LINEAR_ATTENUATION:
        return 1;
    case GL_QUADRATIC_ATTENUATION:
        return 1;
    default:
        return 0;
    }
}

GLint
__glLightiv_size(GLenum pname)
{
    return __glLightfv_size(pname);
}

GLint
__glLightModelfv_size(GLenum pname)
{
    switch (pname) {
    case GL_LIGHT_MODEL_AMBIENT:
        return 4;
    case GL_LIGHT_MODEL_LOCAL_VIEWER:
        return 1;
    case GL_LIGHT_MODEL_TWO_SIDE:
        return 1;
    case GL_LIGHT_MODEL_COLOR_CONTROL:
        return 1;
    default:
        return 0;
    }
}

GLint
__glLightModeliv_size(GLenum pname)
{
    return __glLightModelfv_size(pname);
}

GLint
__glMaterialfv_size(GLenum pname)
{
    switch (pname) {
    case GL_SHININESS:
        return 1;
    case GL_EMISSION:
        return 4;
    case GL_AMBIENT:
        return 4;
    case GL_DIFFUSE:
        return 4;
    case GL_SPECULAR:
        return 4;
    case GL_AMBIENT_AND_DIFFUSE:
        return 4;
    case GL_COLOR_INDEXES:
        return 3;
    default:
        return 0;
    }
}

GLint
__glMaterialiv_size(GLenum pname)
{
    return __glMaterialfv_size(pname);
}

GLint
__glColorTableParameterfv_size(GLenum pname)
{
    switch (pname) {
    case GL_COLOR_TABLE_FORMAT:
    case GL_COLOR_TABLE_WIDTH:
    case GL_COLOR_TABLE_RED_SIZE:
    case GL_COLOR_TABLE_GREEN_SIZE:
    case GL_COLOR_TABLE_BLUE_SIZE:
    case GL_COLOR_TABLE_ALPHA_SIZE:
    case GL_COLOR_TABLE_LUMINANCE_SIZE:
    case GL_COLOR_TABLE_INTENSITY_SIZE:
        return 1;
    case GL_COLOR_TABLE_SCALE:
    case GL_COLOR_TABLE_BIAS:
        return 4;
    default:
        return -1;
    }
}

GLint
__glColorTableParameteriv_size(GLenum pname)
{
    return __glColorTableParameterfv_size(pname);
}

GLint
__glConvolutionParameterfv_size(GLenum pname)
{
    switch (pname) {
    case GL_CONVOLUTION_BORDER_MODE:
        return 1;
    case GL_CONVOLUTION_BORDER_COLOR:
    case GL_CONVOLUTION_FILTER_SCALE:
    case GL_CONVOLUTION_FILTER_BIAS:
        return 4;
    default:                   /* error: bad enum value */
        return -1;
    }
}

GLint
__glConvolutionParameteriv_size(GLenum pname)
{
    return __glConvolutionParameterfv_size(pname);
}
Commit	Line	Data
a09e091a JB	1	/*
	2	* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
	3	* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
	4	*
	5	* Permission is hereby granted, free of charge, to any person obtaining a
	6	* copy of this software and associated documentation files (the "Software"),
	7	* to deal in the Software without restriction, including without limitation
	8	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	9	* and/or sell copies of the Software, and to permit persons to whom the
	10	* Software is furnished to do so, subject to the following conditions:
	11	*
	12	* The above copyright notice including the dates of first publication and
	13	* either this permission notice or a reference to
	14	* http://oss.sgi.com/projects/FreeB/
	15	* shall be included in all copies or substantial portions of the Software.
	16	*
	17	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
	18	* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	19	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	20	* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
	21	* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
	22	* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	23	* SOFTWARE.
	24	*
	25	* Except as contained in this notice, the name of Silicon Graphics, Inc.
	26	* shall not be used in advertising or otherwise to promote the sale, use or
	27	* other dealings in this Software without prior written authorization from
	28	* Silicon Graphics, Inc.
	29	*/
	30
	31	#include <GL/gl.h>
	32	#include "compsize.h"
	33
	34	GLint
	35	__glFogiv_size(GLenum pname)
	36	{
	37	switch (pname) {
	38	case GL_FOG_COLOR:
	39	return 4;
	40	case GL_FOG_DENSITY:
	41	return 1;
	42	case GL_FOG_END:
	43	return 1;
	44	case GL_FOG_MODE:
	45	return 1;
	46	case GL_FOG_INDEX:
	47	return 1;
	48	case GL_FOG_START:
	49	return 1;
	50	default:
	51	return 0;
	52	}
	53	}
	54
	55	GLint
	56	__glFogfv_size(GLenum pname)
	57	{
	58	return __glFogiv_size(pname);
	59	}
	60
	61	GLint
	62	__glCallLists_size(GLsizei n, GLenum type)
	63	{
	64	GLint size;
65
66	if (n < 0)
67	return 0;
68	switch (type) {
69	case GL_BYTE:
70	size = 1;
71	break;
72	case GL_UNSIGNED_BYTE:
73	size = 1;
74	break;
75	case GL_SHORT:
76	size = 2;
77	break;
78	case GL_UNSIGNED_SHORT:
79	size = 2;
80	break;
81	case GL_INT:
82	size = 4;
83	break;
84	case GL_UNSIGNED_INT:
85	size = 4;
86	break;
87	case GL_FLOAT:
88	size = 4;
89	break;
90	case GL_2_BYTES:
91	size = 2;
92	break;
93	case GL_3_BYTES:
94	size = 3;
95	break;
96	case GL_4_BYTES:
97	size = 4;
98	break;
99	default:
100	return 0;
101	}
102	return n * size;
103	}
104
105	GLint
106	__glDrawPixels_size(GLenum format, GLenum type, GLsizei w, GLsizei h)
107	{
108	GLint elements, esize;
109
110	switch (format) {
111	case GL_COLOR_INDEX:
112	case GL_STENCIL_INDEX:
113	case GL_DEPTH_COMPONENT:
114	elements = 1;
115	break;
116	case GL_RED:
117	case GL_GREEN:
118	case GL_BLUE:
119	case GL_ALPHA:
120	case GL_LUMINANCE:
121	elements = 1;
122	break;
123	case GL_LUMINANCE_ALPHA:
124	elements = 2;
125	break;
126	case GL_RGB:
127	elements = 3;
128	break;
129	case GL_RGBA:
130	case GL_ABGR_EXT:
131	elements = 4;
132	break;
133	default:
134	return 0;
135	}
136	switch (type) {
137	case GL_BITMAP:
138	if (format == GL_COLOR_INDEX \|\| format == GL_STENCIL_INDEX) {
139	return (h * ((w + 7) / 8));
140	}
141	else {
142	return 0;
143	}
144	case GL_BYTE:
145	case GL_UNSIGNED_BYTE:
146	esize = 1;
147	break;
148	case GL_UNSIGNED_BYTE_3_3_2:
149	case GL_UNSIGNED_BYTE_2_3_3_REV:
150	esize = 1;
151	elements = 1;
152	break;
153	case GL_SHORT:
154	case GL_UNSIGNED_SHORT:
155	esize = 2;
156	break;
157	case GL_UNSIGNED_SHORT_5_6_5:
158	case GL_UNSIGNED_SHORT_5_6_5_REV:
159	case GL_UNSIGNED_SHORT_4_4_4_4:
160	case GL_UNSIGNED_SHORT_4_4_4_4_REV:
161	case GL_UNSIGNED_SHORT_5_5_5_1:
162	case GL_UNSIGNED_SHORT_1_5_5_5_REV:
163	esize = 2;
164	elements = 1;
165	break;
166	case GL_INT:
167	case GL_UNSIGNED_INT:
168	case GL_FLOAT:
169	esize = 4;
170	break;
171	case GL_UNSIGNED_INT_8_8_8_8:
172	case GL_UNSIGNED_INT_8_8_8_8_REV:
173	case GL_UNSIGNED_INT_10_10_10_2:
174	case GL_UNSIGNED_INT_2_10_10_10_REV:
175	esize = 4;
176	elements = 1;
177	break;
178	default:
179	return 0;
180	}
181	return elements * esize * w * h;
182	}
183
184	GLint
185	__glBitmap_size(GLsizei w, GLsizei h)
186	{
187	return __glDrawPixels_size(GL_COLOR_INDEX, GL_BITMAP, w, h);
188	}
189
190	GLint
191	__glTexGendv_size(GLenum e)
192	{
193	switch (e) {
194	case GL_TEXTURE_GEN_MODE:
195	return 1;
196	case GL_OBJECT_PLANE:
197	case GL_EYE_PLANE:
198	return 4;
199	default:
200	return 0;
201	}
202	}
203
204	GLint
205	__glTexGenfv_size(GLenum e)
206	{
207	return __glTexGendv_size(e);
208	}
209
210	GLint
211	__glTexGeniv_size(GLenum e)
212	{
213	return __glTexGendv_size(e);
214	}
215
216	GLint
217	__glTexParameterfv_size(GLenum e)
218	{
219	switch (e) {
220	case GL_TEXTURE_WRAP_S:
221	case GL_TEXTURE_WRAP_T:
222	case GL_TEXTURE_WRAP_R:
223	case GL_TEXTURE_MIN_FILTER:
224	case GL_TEXTURE_MAG_FILTER:
225	return 1;
226	case GL_TEXTURE_BORDER_COLOR:
227	return 4;
228	case GL_TEXTURE_PRIORITY:
229	return 1;
230	case GL_TEXTURE_MIN_LOD:
231	case GL_TEXTURE_MAX_LOD:
232	case GL_TEXTURE_BASE_LEVEL:
233	case GL_TEXTURE_MAX_LEVEL:
234	return 1;
235	default:
236	return 0;
237	}
238	}
239
240	GLint
241	__glTexParameteriv_size(GLenum e)
242	{
243	return __glTexParameterfv_size(e);
244	}
245
246	GLint
247	__glTexEnvfv_size(GLenum e)
248	{
249	switch (e) {
250	case GL_TEXTURE_ENV_MODE:
251	return 1;
252	case GL_TEXTURE_ENV_COLOR:
253	return 4;
254	default:
255	return 0;
256	}
257	}
258
259	GLint
260	__glTexEnviv_size(GLenum e)
261	{
262	return __glTexEnvfv_size(e);
263	}
264
265	GLint
266	__glTexImage1D_size(GLenum format, GLenum type, GLsizei w)
267	{
268	GLint elements, esize;
269
270	if (w < 0)
271	return 0;
272	switch (format) {
273	case GL_COLOR_INDEX:
274	elements = 1;
275	break;
276	case GL_RED:
277	case GL_GREEN:
278	case GL_BLUE:
279	case GL_ALPHA:
280	case GL_LUMINANCE:
281	elements = 1;
282	break;
283	case GL_LUMINANCE_ALPHA:
284	elements = 2;
285	break;
286	case GL_RGB:
287	elements = 3;
288	break;
289	case GL_RGBA:
290	case GL_ABGR_EXT:
291	elements = 4;
292	break;
293	default:
294	return 0;
295	}
296	switch (type) {
297	case GL_BITMAP:
298	if (format == GL_COLOR_INDEX) {
299	return (w + 7) / 8;
300	}
301	else {
302	return 0;
303	}
304	case GL_BYTE:
305	case GL_UNSIGNED_BYTE:
306	esize = 1;
307	break;
308	case GL_UNSIGNED_BYTE_3_3_2:
309	case GL_UNSIGNED_BYTE_2_3_3_REV:
310	esize = 1;
311	elements = 1;
312	break;
313	case GL_SHORT:
314	case GL_UNSIGNED_SHORT:
315	esize = 2;
316	break;
317	case GL_UNSIGNED_SHORT_5_6_5:
318	case GL_UNSIGNED_SHORT_5_6_5_REV:
319	case GL_UNSIGNED_SHORT_4_4_4_4:
320	case GL_UNSIGNED_SHORT_4_4_4_4_REV:
321	case GL_UNSIGNED_SHORT_5_5_5_1:
322	case GL_UNSIGNED_SHORT_1_5_5_5_REV:
323	esize = 2;
324	elements = 1;
325	break;
326	case GL_INT:
327	case GL_UNSIGNED_INT:
328	case GL_FLOAT:
329	esize = 4;
330	break;
331	case GL_UNSIGNED_INT_8_8_8_8:
332	case GL_UNSIGNED_INT_8_8_8_8_REV:
333	case GL_UNSIGNED_INT_10_10_10_2:
334	case GL_UNSIGNED_INT_2_10_10_10_REV:
335	esize = 4;
336	elements = 1;
337	break;
338	default:
339	return 0;
340	}
341	return elements * esize * w;
342	}
343
344	GLint
345	__glTexImage2D_size(GLenum format, GLenum type, GLsizei w, GLsizei h)
346	{
347	GLint elements, esize;
348
349	if (w < 0)
350	return 0;
351	if (h < 0)
352	return 0;
353	switch (format) {
354	case GL_COLOR_INDEX:
355	elements = 1;
356	break;
357	case GL_RED:
358	case GL_GREEN:
359	case GL_BLUE:
360	case GL_ALPHA:
361	case GL_LUMINANCE:
362	elements = 1;
363	break;
364	case GL_LUMINANCE_ALPHA:
365	elements = 2;
366	break;
367	case GL_RGB:
368	elements = 3;
369	break;
370	case GL_RGBA:
371	case GL_ABGR_EXT:
372	elements = 4;
373	break;
374	default:
375	return 0;
376	}
377	switch (type) {
378	case GL_BITMAP:
379	if (format == GL_COLOR_INDEX) {
380	return (h * ((w + 7) / 8));
381	}
382	else {
383	return 0;
384	}
385	case GL_BYTE:
386	case GL_UNSIGNED_BYTE:
387	esize = 1;
388	break;
389	case GL_UNSIGNED_BYTE_3_3_2:
390	case GL_UNSIGNED_BYTE_2_3_3_REV:
391	esize = 1;
392	elements = 1;
393	break;
394	case GL_SHORT:
395	case GL_UNSIGNED_SHORT:
396	esize = 2;
397	break;
398	case GL_UNSIGNED_SHORT_5_6_5:
399	case GL_UNSIGNED_SHORT_5_6_5_REV:
400	case GL_UNSIGNED_SHORT_4_4_4_4:
401	case GL_UNSIGNED_SHORT_4_4_4_4_REV:
402	case GL_UNSIGNED_SHORT_5_5_5_1:
403	case GL_UNSIGNED_SHORT_1_5_5_5_REV:
404	esize = 2;
405	elements = 1;
406	break;
407	case GL_INT:
408	case GL_UNSIGNED_INT:
409	case GL_FLOAT:
410	esize = 4;
411	break;
412	case GL_UNSIGNED_INT_8_8_8_8:
413	case GL_UNSIGNED_INT_8_8_8_8_REV:
414	case GL_UNSIGNED_INT_10_10_10_2:
415	case GL_UNSIGNED_INT_2_10_10_10_REV:
416	esize = 4;
417	elements = 1;
418	break;
419	default:
420	return 0;
421	}
422	return elements * esize * w * h;
423	}
424
425	GLint
426	__glTexImage3D_size(GLenum format, GLenum type, GLsizei w, GLsizei h, GLsizei d)
427	{
428	GLint elements, esize;
429
430	if (w < 0)
431	return 0;
432	if (h < 0)
433	return 0;
434	if (d < 0)
435	return 0;
436	switch (format) {
437	case GL_COLOR_INDEX:
438	elements = 1;
439	break;
440	case GL_RED:
441	case GL_GREEN:
442	case GL_BLUE:
443	case GL_ALPHA:
444	case GL_LUMINANCE:
445	elements = 1;
446	break;
447	case GL_LUMINANCE_ALPHA:
448	elements = 2;
449	break;
450	case GL_RGB:
451	elements = 3;
452	break;
453	case GL_RGBA:
454	case GL_ABGR_EXT:
455	elements = 4;
456	break;
457	default:
458	return 0;
459	}
460	switch (type) {
461	case GL_BITMAP:
462	if (format == GL_COLOR_INDEX) {
463	return (d * (h * ((w + 7) / 8)));
464	}
465	else {
466	return 0;
467	}
468	case GL_BYTE:
469	case GL_UNSIGNED_BYTE:
470	esize = 1;
471	break;
472	case GL_UNSIGNED_BYTE_3_3_2:
473	case GL_UNSIGNED_BYTE_2_3_3_REV:
474	esize = 1;
475	elements = 1;
476	break;
477	case GL_SHORT:
478	case GL_UNSIGNED_SHORT:
479	esize = 2;
480	break;
481	case GL_UNSIGNED_SHORT_5_6_5:
482	case GL_UNSIGNED_SHORT_5_6_5_REV:
483	case GL_UNSIGNED_SHORT_4_4_4_4:
484	case GL_UNSIGNED_SHORT_4_4_4_4_REV:
485	case GL_UNSIGNED_SHORT_5_5_5_1:
486	case GL_UNSIGNED_SHORT_1_5_5_5_REV:
487	esize = 2;
488	elements = 1;
489	break;
490	case GL_INT:
491	case GL_UNSIGNED_INT:
492	case GL_FLOAT:
493	esize = 4;
494	break;
495	case GL_UNSIGNED_INT_8_8_8_8:
496	case GL_UNSIGNED_INT_8_8_8_8_REV:
497	case GL_UNSIGNED_INT_10_10_10_2:
498	case GL_UNSIGNED_INT_2_10_10_10_REV:
499	esize = 4;
500	elements = 1;
501	break;
502	default:
503	return 0;
504	}
505	return elements * esize * w * h * d;
506	}
507
508	GLint
509	__glLightfv_size(GLenum pname)
510	{
511	switch (pname) {
512	case GL_SPOT_EXPONENT:
513	return 1;
514	case GL_SPOT_CUTOFF:
515	return 1;
516	case GL_AMBIENT:
517	return 4;
518	case GL_DIFFUSE:
519	return 4;
520	case GL_SPECULAR:
521	return 4;
522	case GL_POSITION:
523	return 4;
524	case GL_SPOT_DIRECTION:
525	return 3;
526	case GL_CONSTANT_ATTENUATION:
527	return 1;
528	case GL_LINEAR_ATTENUATION:
529	return 1;
530	case GL_QUADRATIC_ATTENUATION:
531	return 1;
532	default:
533	return 0;
534	}
535	}
536
537	GLint
538	__glLightiv_size(GLenum pname)
539	{
540	return __glLightfv_size(pname);
541	}
542
543	GLint
544	__glLightModelfv_size(GLenum pname)
545	{
546	switch (pname) {
547	case GL_LIGHT_MODEL_AMBIENT:
548	return 4;
549	case GL_LIGHT_MODEL_LOCAL_VIEWER:
550	return 1;
551	case GL_LIGHT_MODEL_TWO_SIDE:
552	return 1;
553	case GL_LIGHT_MODEL_COLOR_CONTROL:
554	return 1;
555	default:
556	return 0;
557	}
558	}
559
560	GLint
561	__glLightModeliv_size(GLenum pname)
562	{
563	return __glLightModelfv_size(pname);
564	}
565
566	GLint
567	__glMaterialfv_size(GLenum pname)
568	{
569	switch (pname) {
570	case GL_SHININESS:
571	return 1;
572	case GL_EMISSION:
573	return 4;
574	case GL_AMBIENT:
575	return 4;
576	case GL_DIFFUSE:
577	return 4;
578	case GL_SPECULAR:
579	return 4;
580	case GL_AMBIENT_AND_DIFFUSE:
581	return 4;
582	case GL_COLOR_INDEXES:
583	return 3;
584	default:
585	return 0;
586	}
587	}
588
589	GLint
590	__glMaterialiv_size(GLenum pname)
591	{
592	return __glMaterialfv_size(pname);
593	}
594
595	GLint
596	__glColorTableParameterfv_size(GLenum pname)
597	{
598	switch (pname) {
599	case GL_COLOR_TABLE_FORMAT:
600	case GL_COLOR_TABLE_WIDTH:
601	case GL_COLOR_TABLE_RED_SIZE:
602	case GL_COLOR_TABLE_GREEN_SIZE:
603	case GL_COLOR_TABLE_BLUE_SIZE:
604	case GL_COLOR_TABLE_ALPHA_SIZE:
605	case GL_COLOR_TABLE_LUMINANCE_SIZE:
606	case GL_COLOR_TABLE_INTENSITY_SIZE:
607	return 1;
608	case GL_COLOR_TABLE_SCALE:
609	case GL_COLOR_TABLE_BIAS:
610	return 4;
611	default:
612	return -1;
613	}
614	}
615
616	GLint
617	__glColorTableParameteriv_size(GLenum pname)
618	{
619	return __glColorTableParameterfv_size(pname);
620	}
621
622	GLint
623	__glConvolutionParameterfv_size(GLenum pname)
624	{
625	switch (pname) {
626	case GL_CONVOLUTION_BORDER_MODE:
627	return 1;
628	case GL_CONVOLUTION_BORDER_COLOR:
629	case GL_CONVOLUTION_FILTER_SCALE:
630	case GL_CONVOLUTION_FILTER_BIAS:
631	return 4;
632	default: /* error: bad enum value */
633	return -1;
634	}
635	}
636
637	GLint
638	__glConvolutionParameteriv_size(GLenum pname)
639	{
640	return __glConvolutionParameterfv_size(pname);
641	}